TTRO - Temporary Traffic Regulation Order
TRO - Traffic Regulation Order
TMO - Traffic Management Order
SLO - Speed Limit Order
England
B
| Barnsley
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Bath and NE Somerset
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Bedford
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Birmingham
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Blackburn with Darwen
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| Blackpool
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Bolton
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Bournemouth
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Bracknell Forest
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Bradford
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| Brighton and Hove
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Bristol
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Buckinghamshire
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Bury
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C
| Calderdale
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Cambridgeshire
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Central Bedfordshire
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Cheshire East
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Cheshire West and Chester
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| Cornwall
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County Durham
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Coventry
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Cumbria
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D
| Darlington
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Derby
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Derbyshire
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Devon
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Doncaster
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| Dorset
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Dudley
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E
| East Riding of Yorkshire
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East Sussex
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Essex
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G
| Gateshead
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Gloucestershire
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Greater London
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H
| Halton
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Hampshire
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Hartlepool
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Herefordshire
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Hertfordshire
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I
| Isle of Wight
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Isles of Scilly
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K
| Kent
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Kingston upon Hull
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Kirklees
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Knowsley
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L
| Lancashire
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Leeds
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Leicester
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Leicestershire
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Lincolnshire
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| Liverpool
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Luton
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M
| Manchester
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Medway
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Middlesbrough
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Milton Keynes
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N
| Newcastle upon Tyne
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Norfolk
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North East Lincolnshire
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North Lincolnshire
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North Somerset
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| North Tyneside
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North Yorkshire
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Northamptonshire
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Northumberland
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Nottingham
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| Nottinghamshire
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O
P
| Peterborough
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Plymouth
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Poole
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Portsmouth
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R
| Reading
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Redcar and Cleveland
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Rochdale
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Rotherham
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Rutland
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S
| Salford
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Sandwell
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Sefton
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Sheffield
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Shropshire
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| Slough
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Solihull
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Somerset
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South Gloucestershire
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South Tyneside
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| Southampton
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Southend-on-Sea
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St. Helens
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Staffordshire
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Stockport
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| Stockton-on-Tees
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Stoke-on-Trent
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Suffolk
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Sunderland
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Surrey
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| Swindon
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T
| Tameside
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Telford and Wrekin
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Thurrock
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Torbay
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Trafford
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W
| Wakefield
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Walsall
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Warrington
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Warwickshire
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West Berkshire
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| West Sussex
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Wigan
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Wiltshire
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Windsor and Maidenhead
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Wirral
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| Wokingham
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Wolverhampton
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Worcestershire
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Y
Scotland
A
| Aberdeen
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Aberdeenshire
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Angus
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Argyll and Bute
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C
D
| Dumfries and Galloway
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Dundee
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E
| East Ayrshire
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East Dunbartonshire
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East Lothian
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East Renfrewshire
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Edinburgh
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F
G
H
I
M
N
| Na h-Eileanan an Iar
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North Ayrshire
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North Lanarkshire
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O
P
R
S
| Scottish Borders
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Shetland Islands
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South Ayrshire
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South Lanarkshire
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Stirling
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W
| West Dunbartonshire
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West Lothian
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Wales
B
C
| Caerphilly
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Cardiff
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Carmarthenshire
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Ceredigion
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Conwy
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D
F
G
I
M
| Merthyr Tydfil
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Monmouthshire
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N
| Neath Port Talbot
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Newport
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P
R
S
T
V
W
